var momObj = function()
{
	this.x;
	this.y;
	this.angle;
	
	this.momTailTimer = 0;
	this.momTailCount = 0;
	
	this.momEyeTimer = 0;
	this.momEyeCount = 0;
	this.momEyeInterval = 1000;
	
	this.momBodyCount = 0;
}
momObj.prototype.init = function()
{
	this.x = canWidth*0.5;
	this.y = canHeight*0.5;
	this.angle = 0;
}
momObj.prototype.draw = function()
{
	//lerp x,y
	this.x = lerpDistance(mx,this.x,0.9);
	this.y = lerpDistance(my,this.y,0.9);
	
	//delta angle
	//Math.atan2(y,x)
	var deltaY = my - this.y;
	var deltaX = mx - this.x;
	var beta = Math.atan2(deltaY,deltaX)+Math.PI;//-PI,PI
	
	//lerp angle
	this.angle = lerpAngle(beta,this.angle,0.9);
	
	//tail
	this.momTailTimer += deltaTime;
	if(this.momTailTimer> 50)
	{
		this.momTailCount = (this.momTailCount+1)%8;
		this.momTailTimer %= 50;
	}
	
	//eye
	this.momEyeTimer += deltaTime;
	if(this.momEyeTimer>this.momEyeInterval)
	{
		this.momEyeCount = (this.momEyeCount + 1) % 2;
		this.momEyeTimer %= this.momEyeInterval;
		if(this.momEyeCount ==0)
		{
			this.momEyeInterval = Math.random()*1500+2000;
		}else{
			this.momEyeInterval = 200;
		}
	}
	ctx1.save();
	ctx1.translate(this.x,this.y);
	ctx1.rotate(this.angle);
	var momTailCount = this.momTailCount;
	ctx1.drawImage(momTail[momTailCount],-momTail[momTailCount].width*0.5+30,-momTail[momTailCount].height*0.5);
	var momBodyCount = this.momBodyCount;
	if(data.double==1)//orange
	{
		ctx1.drawImage(momBodyOrange[momBodyCount],-momBodyOrange[momBodyCount].width*0.5,-momBodyOrange[momBodyCount].height*0.5);
	}else
	{
		ctx1.drawImage(momBodyBlue[momBodyCount],-momBodyBlue[momBodyCount].width*0.5,-momBodyBlue[momBodyCount].height*0.5);
	}
	var momEyeCount = this.momEyeCount;
	ctx1.drawImage(momEye[momEyeCount],-momEye[momEyeCount].width*0.5,-momEye[momEyeCount].height*0.5);

	ctx1.restore();
}
